Steven Kazlowski / Killer whale (Orcinus orca) large pod with one male approaching, in Kenai Fjords National Park, Chiswell Islands National Marine Sanctuary, South Central Alaska, USA

Steven Kazlowski / Kayaker in front of Bear Glacier, Kenai Fjords National Park, Alaska, USA. No release available.

Steven Kazlowski / Killer WHale / Orca (Orcinus orca) bull and cow in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Ashley Cooper / Harding icefield receeding rapidly due to global warming,Kenai Fjords National Park, Alaska, USA, September 2004.

Ashley Cooper / Harding icefield receeding rapidly due to global warming,Kenai Fjords National Park, Alaska, USA, September 2004.

Ashley Cooper / Harding icefield receeding rapidly due to global warming,Kenai Fjords National Park, Alaska, USA, September 2004.

Ashley Cooper / Crevasses in Exit Glacier in the Harding icefield which is rapidly due to global warming in the Kenai Fjords National Park, Alaska, USA, September 2004.

Matthias Breiter / Black-legged Kittiwake (Rissa tridactyla) colony on coastal rock, Kenai Fjords National Park, Alaska

Steven Kazlowski / Pacific harbour seal (Phoca vitulina richardsi) on ice at Northwestern Fjord, Kenai Fjords National Park, Alaska, USA

Steven Kazlowski / Pacific harbour seal (Phoca vitulina richardsi) on ice in Northwestern Fjord, Kenai Fjords National Park, Alaska, USA

Steven Kazlowski / Hoary marmot (Marmota caligata) adult overlooking Exit Glacier in Kenai Fjords National Park, South Central Alaska, USA

Steven Kazlowski / Killer Whale / Orca (Orcinus orca) large bull, cow and calf swimming in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Steven Kazlowski / Killer Whale / Orca (Orcinus orca) large bull swimming in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Steven Kazlowski / Killer Whale / Orcas (Orcinus orca) pair of cows in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Steven Kazlowski / Killer Whale / Orcas (Orcinus orca) pod in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Steven Kazlowski / Killer Whale / Orca (Orcinus orca) large cow in Resurrection Bay, Kenai Fjords National Park, outside Seward, Alaska, May.

Hiroya Minakuchi / Sea Otter (Enhydra lutris), Kenai Fjords, Alaska

Hiroya Minakuchi / Sea Otter (Enhydra lutris) grooming, Kenai Fjords, Alaska

Suzi Eszterhas / Two Killer whales {Orcinus orca} Cow and calf of a transient pod, with Chiswell Islands in background, Kenai Fjords National Park, Alaska, USA

Suzi Eszterhas / Orca (Orcinus orca) pod surfacing, Kenai Fjords National Park, Alaska

Konrad Wothe / Tufted Puffin (Fratercula cirrhata) swimming, Kenai Fjords National Park, Alaska

Konrad Wothe / Glaucous-winged Gull (Larus glaucescens) perched on post in the rain, Kenai Fjords National Park, Alaska

Suzi Eszterhas / Pacific White-sided Dolphin (Lagenorhynchus obliquidens) pod surfacing, Kenai Fjords National Park, Alaska

Suzi Eszterhas / Orca (Orcinus orca) pod surfacing, Kenai Fjords National Park, Alaska

Matthias Breiter / Glacier covered Kenai Mountains above Nuka Bay, Kenai Fjords National Park, Alaska

Sumio Harada / Mountain Goat (Oreamnos americanus) herd traveling along the edge of a glacier, Kenai Fjords National Park, Alaska

Sumio Harada / Mountain Goat (Oreamnos americanus) herd traveling along the edge of a glacier, Kenai Fjords National Park, Alaska

Sumio Harada / Mountain Goat (Oreamnos americanus) herd traveling along the edge of a glacier, Kenai Fjords National Park, Alaska

Sumio Harada / Mountain Goat (Oreamnos americanus) herd traveling along the edge of a glacier, Kenai Fjords National Park, Alaska

Konrad Wothe / Tufted Puffin (Fratercula cirrhata) bathing, Kenai Fjords National Park, Alaska

Sumio Harada / Mountain Goat (Oreamnos americanus) herd traveling along the edge of a glacier, Kenai Fjords National Park, Alaska

Konrad Wothe / Northwestern Glacier spills out of the Harding Ice field into the ocean, Kenai Fjords National Park, Alaska

Konrad Wothe / Glaciers flowing down from Harding Ice field, Northwestern Fjord, Kenai Fjords National Park, Alaska

Konrad Wothe / Tufted Puffin (Fratercula cirrhata) bathing, Kenai Fjords National Park, Alaska

Konrad Wothe / Tufted Puffin (Fratercula cirrhata) bathing, Kenai Fjords National Park, Alaska

Onne van der Wal / Kayaking among icebergs at the foot of Bear Glacier, Kenai Fjords National Park, Kenai Peninsula, Alaska.

Onne van der Wal / Bear Glacier and mountains with two Klepper kayaks tethered to shore, Kenai Fjords National Park, Kenai Peninsula, Alaska.

Onne van der Wal / Kayaking off Bear Glacier, Kenai Fjords National Park, Alaska. 2001

Onne van der Wal / Kittiwakes (Rissa tridactyla) nesting in precarious positions on a cliff in the Kenai Fjords National Park, Kenai Peninsula, Alaska.

Onne van der Wal / Kayaking beneath mountains, Bear Glacier, Kenai Fjords National Park, Kenai Peninsula, Alaska.

Onne van der Wal / Kayaking beneath mountains. Bear Glacier, Kenai Fjords National Park, Alaska. 2001.

Onne van der Wal / Kayaking beneath mountains, Bear Glacier, Kenai Fjords National Park, Alaska. 2001.

Onne van der Wal / Kayaking amongst turquoise icebergs at the foot of Bear Glacier, Kenai Fjords National Park, Alaska. 2001.

Onne van der Wal / Kayaking among bright turquoise icebergs at the foot of Bear Glacier in the Kenai Fjords National Park, Alaska. 2001

Onne van der Wal / Kayaking among turquoise icebergs at the foot of Bear Glacier in the Kenai Fjords National Park, Kenai Peninsula, Alaska.

Onne van der Wal / Mountains and Bear Glacier with Klepper kayaks tethered to the shore, Kenai Fjords National Park, Kenai Peninsula, Alaska.

Konrad Wothe / New falling snow at night, Germany